Answer:
The value of x is -20.
Step-by-step explanation:
50 = -2.5x Isolate the variable by dividing -2.5 on both sides
-20 = x
You must isolate the variable in order to solve equations with variables.
Isolating variable is basically when you divide, multiply, add, or subtract to put a variable on <em><u>ONLY</u></em> one side of the equation.
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